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| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 22480 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 6637 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 0 |
| IRS990/AcctCompileOrReviewBasisGrp/ConsolidatedBasisFinclStmtInd | 0 | X |
| IRS990/ActivitiesConductedPrtshpInd | 0 | 0 |
| IRS990/ActivityOrMissionDesc | 0 | NORTH BROOKLYN PARKS ALLIANCE WORKS WITH THE NYC DEPARTMENT OF PARKS & RECREATION, ELECTED OFFICIALS, AND OUR COMMUNITY TO MAINTAIN, ACTIVATE, ENHANCE, AND EXPAND PARKS AND PUBLIC SPACES IN NORTH BROOKLYN. |
| IRS990/AdvertisingGrp/FundraisingAmt | 0 | 18 |
| IRS990/AdvertisingGrp/ManagementAndGeneralAmt | 0 | 2197 |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 2215 |
| IRS990/AllOtherContributionsAmt | 0 | 342379 |
| IRS990/AllOtherExpensesGrp/FundraisingAmt | 0 | 641 |
| IRS990/AllOtherExpensesGrp/ManagementAndGeneralAmt | 0 | 1561 |
| IRS990/AllOtherExpensesGrp/ProgramServicesAmt | 0 | 250 |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 2452 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | 1 |
| IRS990/AuditCommitteeInd | 0 | 0 |
| IRS990/BackupWthldComplianceInd | 0 | 1 |
| IRS990/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt | 0 | THE ORGANIZATION |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 7185992718 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 79 NORTH 11TH STREET |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | BROOKLYN |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | NY |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 11249 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | 0 |
| IRS990/BusinessRlnWithFamMemInd | 0 | 0 |
| IRS990/BusinessRlnWithOrgMemInd | 0 | 0 |
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| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 146155 |
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| IRS990/CompCurrentOfcrDirectorsGrp/ManagementAndGeneralAmt | 0 | 23816 |
| IRS990/CompCurrentOfcrDirectorsGrp/ProgramServicesAmt | 0 | 31754 |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 79386 |
| IRS990/CompensationFromOtherSrcsInd | 0 | 0 |
| IRS990/CompensationProcessCEOInd | 0 | 0 |
| IRS990/CompensationProcessOtherInd | 0 | 0 |
| IRS990/ConflictOfInterestPolicyInd | 0 | 1 |
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| IRS990/ContriRptFundraisingEventAmt | 0 | 98875 |
| IRS990/CreditCounselingInd | 0 | 0 |
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| IRS990/CYContributionsGrantsAmt | 0 | 470955 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/CYInvestmentIncomeAmt | 0 | 598 |
| IRS990/CYOtherExpensesAmt | 0 | 334341 |
| IRS990/CYOtherRevenueAmt | 0 | 0 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 0 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | -61674 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 198886 |
| IRS990/CYTotalExpensesAmt | 0 | 533227 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 89283 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 471553 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | 0 |
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| IRS990/DelegationOfMgmtDutiesInd | 0 | 0 |
| IRS990/DepreciationDepletionGrp/FundraisingAmt | 0 | 455 |
| IRS990/DepreciationDepletionGrp/ManagementAndGeneralAmt | 0 | 228 |
| IRS990/DepreciationDepletionGrp/ProgramServicesAmt | 0 | 457 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 1140 |
| IRS990/Desc | 0 | OPEN SPACE ALLIANCE ("OSA," DBA NORTH BROOKLYN PARKS ALLIANCE) ADVANCED ITS EFFORTS TO CREATE AN EQUITABLE, ACCESSIBLE, AND VIBRANT PARKS SYSTEM IN NORTH BROOKLYN.OSA WORKED TO TRANSFORM SEVEN ACRES OF ABANDONED OPEN SPACE INTO PUBLIC PARKLAND, COMPLETING - AND UNVEILING TO THE COMMUNITY IN JULY 2019 - A FRAMEWORK DESIGN, THEN SECURING CONSTRUCTION FUNDING TO BUILD OUT THE SPACE UNDERNEATH THE KOSCIUSZKO BRIDGE. THE PARK BROKE GROUND IN FALL 2019 AND WAS ULTIMATELY COMPLETED IN SUMMER 2020.OSA PARTNERED WITH EL PUENTE ON "OUR AIR!/NUESTRO AIRE!" - AN ENVIRONMENTAL JUSTICE INITIATIVE THAT BRINGS TOGETHER THE COMMUNITY TO STUDY NEIGHBORHOOD AIR QUALITY, DEVELOP SOLUTIONS TO IMPROVE ENVIRONMENTAL CONDITIONS, AND ADVOCATE FOR THE RIGHT TO CLEAN AIR AND GREEN OPEN SPACES THROUGH ART AND ACTIVISM.OSA PROGRAMMED PARKS THROUGHOUT THE DISTRICT WITH FREE MULTI-DISCIPLINARY EVENTS ACROSS MORE THAN A DOZEN PARKS, INCLUDING THE INAUGURAL 'JUNE BUG JAZZ" WEEKLY JAZZ SERIES; FIRST ANNUAL "SOUTHSIDE SLAM" YOUTH BASKETBALL TOURNAMENT; OPEN AIR FILM SCREENINGS THROUGHOUT THE DISTRICT; A FALL HARVEST FESTIVAL AND PUMPKIN PATCH; AND A FRE PUPPET PERFORMANCE AT A LOCAL PLAYGROUND.OSA ALSO COORDINATED VOLUNTEER CLEAN-UPS WITH LOCAL STEWARDSHIP GROUPS, FEATURING A NEW MOBILE TRAILER THAT OSA PURCHASED, OUTFITTED, AND FILLED WITH TOOLS, SUPPLIES, AND EQUIPMENT NECESSARY FOR VOLUNTEER STEWARDSHIP EVENTS ACROSS THE DISTRICT. FOR THESE SMALLER PARKS GROUPS, OSA ACTS AS A SERVICE ORGANIZATION, OFFERING FISCAL SPONSORSHIP; TECHNICAL ASSISTANCE; AND DIGITAL SUPPORT. |
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| IRS990/DisregardedEntityInd | 0 | 0 |
| IRS990/DocumentRetentionPolicyInd | 0 | 0 |
| IRS990/DoingBusinessAsName/BusinessNameLine1Txt | 0 | NORTH BROOKLYN PARKS ALLIANCE |
| IRS990/DonorAdvisedFundInd | 0 | 0 |
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| IRS990/DonorRestrictionNetAssetsGrp/EOYAmt | 0 | 148792 |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | 0 |
| IRS990/ElectionOfBoardMembersInd | 0 | 0 |
| IRS990/EmployeeCnt | 0 | 5 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | 1 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | 0 |
| IRS990/ExpenseAmt | 0 | 336520 |
| IRS990/FamilyOrBusinessRlnInd | 0 | 0 |
| IRS990/FederalGrantAuditRequiredInd | 0 | 0 |
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| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 6850 |
| IRS990/FeesForServicesOtherGrp/FundraisingAmt | 0 | 3634 |
| IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt | 0 | 18279 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 160510 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 182423 |
| IRS990/ForeignActivitiesInd | 0 | 0 |
| IRS990/ForeignFinancialAccountInd | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | 0 |
| IRS990/Form8282PropertyDisposedOfInd | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 8 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 9 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 10 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 11 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 12 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 13 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 14 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 15 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 16 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 17 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 18 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 19 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 20 | 40.00 |
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| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 4 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 5 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 6 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 7 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 8 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 9 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 10 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 11 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 12 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 13 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 14 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 15 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 16 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 17 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 18 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 19 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 12 | 0 |
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| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 14 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 15 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 16 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 17 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 18 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 19 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 20 | 0 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | ERICH ANDERER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | SEAN HOESS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | JOE VANCE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | MIKE ARNOT |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | KEITH BERGER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | SPENCER BAIM |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | KATE BERNSTEIN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | JOSH COHEN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | WARD DENNIS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | BEN DEITZ |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | JEFF FRONEK |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 11 | TERESA GONZALEZ |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 12 | ALAN HILL |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 13 | STEVE HINDY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 14 | DAVID LOMBINO |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 15 | FRANCES LUCERNA |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 16 | TRINA MCKEEVER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 17 | JANE POOL |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 18 | DOUG STEINER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 19 | DEWEY THOMPSON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 20 | KATHERINE A HOROWITZ |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 14 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 15 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 16 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 17 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 18 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 19 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 20 | 76154 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 14 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 15 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 16 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 17 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 18 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 19 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 20 | 0 |
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| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | TREASURER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | SECRETARY |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 11 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 12 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 13 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 14 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 15 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 16 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 17 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 18 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 19 | BOARD MEMBER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 20 | EXECUTIVE DIRECTOR |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 1 |
| IRS990/FormationYr | 0 | 2006 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 0 |
| IRS990/FSAuditedInd | 0 | 0 |
| IRS990/FundraisingActivitiesInd | 0 | 1 |
| IRS990/FundraisingAmt | 0 | 98875 |
| IRS990/FundraisingDirectExpensesAmt | 0 | 21557 |
| IRS990/FundraisingGrossIncomeAmt | 0 | 21557 |
| IRS990/GamingActivitiesInd | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 23 |
| IRS990/GovernmentGrantsAmt | 0 | 29701 |
| IRS990/GrantsToIndividualsInd | 0 | 0 |
| IRS990/GrantsToOrganizationsInd | 0 | 0 |
| IRS990/GrantToRelatedPersonInd | 0 | 0 |
| IRS990/GrossReceiptsAmt | 0 | 493110 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 0 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 0 |
| IRS990/IndependentVotingMemberCnt | 0 | 23 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartIIIInd | 0 | X |
| IRS990/InfoInScheduleOPartIXInd | 0 | X |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 7598 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 7598 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 598 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 598 |
| IRS990/InvestmentInJointVentureInd | 0 | 0 |
| IRS990/IRPDocumentCnt | 0 | 12 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 1345 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 1845 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 8002 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 9347 |
| IRS990/LegalDomicileStateCd | 0 | NY |
| IRS990/LoanOutstandingInd | 0 | 0 |
| IRS990/LobbyingActivitiesInd | 0 | 0 |
| IRS990/LocalChaptersInd | 0 | 0 |
| IRS990/MaterialDiversionOrMisuseInd | 0 | 0 |
| IRS990/MembersOrStockholdersInd | 0 | 0 |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | 1 |
| IRS990/MinutesOfGoverningBodyInd | 0 | 1 |
| IRS990/MissionDesc | 0 | NORTH BROOKLYN PARKS ALLIANCE WORKS WITH THE NYC DEPARTMENT OF PARKS & RECREATION, ELECTED OFFICIALS, AND OUR COMMUNITY TO MAINTAIN, ACTIVATE, ENHANCE, AND EXPAND PARKS AND PUBLIC SPACES IN NORTH BROOKLYN. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | 0 |
| IRS990/MoreThan5000KToOrgInd | 0 | 0 |
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| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | -321755 |
| IRS990/NetIncmFromFundraisingEvtGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
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| IRS990/NoDonorRestrictionNetAssetsGrp/EOYAmt | 0 | -470547 |
| IRS990/NondeductibleContributionsInd | 0 | 0 |
| IRS990/OfficeExpensesGrp/FundraisingAmt | 0 | 415 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 8500 |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 7528 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 16443 |
| IRS990/OfficerMailingAddressInd | 0 | 0 |
| IRS990/OperateHospitalInd | 0 | 0 |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsFASB117Ind | 0 | X |
| IRS990/OtherChangesInNetAssetsAmt | 0 | 0 |
| IRS990/OtherEmployeeBenefitsGrp/FundraisingAmt | 0 | 4766 |
| IRS990/OtherEmployeeBenefitsGrp/ManagementAndGeneralAmt | 0 | 3744 |
| IRS990/OtherEmployeeBenefitsGrp/ProgramServicesAmt | 0 | 5815 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 14325 |
| IRS990/OtherExpensesGrp/Desc | 0 | DIRECT PROGRAM EXPENSES |
| IRS990/OtherExpensesGrp/Desc | 1 | EVENT EXPENSES |
| IRS990/OtherExpensesGrp/Desc | 2 | PARK IMPROVEMENTS |
| IRS990/OtherExpensesGrp/Desc | 3 | BAD DEBT EXPENSE |
| IRS990/OtherExpensesGrp/FundraisingAmt | 0 | 17791 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 2726 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 1 | 1498 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 2 | 5000 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 71312 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 1 | 4633 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 2 | 10271 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 71312 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 25150 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 11769 |
| IRS990/OtherExpensesGrp/TotalAmt | 3 | 5000 |
| IRS990/OtherLiabilitiesGrp/BOYAmt | 0 | 498432 |
| IRS990/OtherLiabilitiesGrp/EOYAmt | 0 | 498432 |
| IRS990/OtherSalariesAndWagesGrp/FundraisingAmt | 0 | 31385 |
| IRS990/OtherSalariesAndWagesGrp/ManagementAndGeneralAmt | 0 | 19547 |
| IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt | 0 | 35604 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 86536 |
| IRS990/PartialLiquidationInd | 0 | 0 |
| IRS990/PayrollTaxesGrp/FundraisingAmt | 0 | 6201 |
| IRS990/PayrollTaxesGrp/ManagementAndGeneralAmt | 0 | 4871 |
| IRS990/PayrollTaxesGrp/ProgramServicesAmt | 0 | 7567 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 18639 |
| IRS990/PledgesAndGrantsReceivableGrp/BOYAmt | 0 | 131984 |
| IRS990/PledgesAndGrantsReceivableGrp/EOYAmt | 0 | 45000 |
| IRS990/PoliticalCampaignActyInd | 0 | 0 |
| IRS990/PrincipalOfficerNm | 0 | KATIE DENNY HOROWITZ |
| IRS990/ProfessionalFundraisingInd | 0 | 0 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | 0 |
| IRS990/PYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/PYContributionsGrantsAmt | 0 | 424745 |
| IRS990/PYExcessBenefitTransInd | 0 | 0 |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/PYInvestmentIncomeAmt | 0 | 61 |
| IRS990/PYOtherExpensesAmt | 0 | 209475 |
| IRS990/PYOtherRevenueAmt | 0 | 0 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 0 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | -55642 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 270973 |
| IRS990/PYTotalExpensesAmt | 0 | 480448 |
| IRS990/PYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/PYTotalRevenueAmt | 0 | 424806 |
| IRS990/QuidProQuoContributionsInd | 0 | 1 |
| IRS990/QuidProQuoContriDisclInd | 0 | 1 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | -61674 |
| IRS990/RegularMonitoringEnfrcInd | 0 | 1 |
| IRS990/RelatedEntityInd | 0 | 1 |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | 0 |
| IRS990/ReportInvestmentsOtherSecInd | 0 | 0 |
| IRS990/ReportLandBuildingEquipmentInd | 0 | 1 |
| IRS990/ReportOtherAssetsInd | 0 | 0 |
| IRS990/ReportOtherLiabilitiesInd | 0 | 1 |
| IRS990/ReportProgramRelatedInvstInd | 0 | 0 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearAmt | 0 | 470955 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus1YearAmt | 0 | 424745 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 412205 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 373823 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 248258 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/TotalAmt | 0 | 1929986 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearAmt | 0 | 598 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus1YearAmt | 0 | 107 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 50 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 61 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 93 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/TotalAmt | 0 | 909 |
| IRS990ScheduleA/OtherIncome170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 4374 |
| IRS990ScheduleA/OtherIncome170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 5241 |
| IRS990ScheduleA/OtherIncome170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 21690 |
| IRS990ScheduleA/OtherIncome170Grp/TotalAmt | 0 | 31305 |
| IRS990ScheduleA/PublicOrganization170Ind | 0 | X |
| IRS990ScheduleA/PublicSupportCY170Pct | 0 | 0.57500 |
| IRS990ScheduleA/PublicSupportPY170Pct | 0 | 0.65020 |
| IRS990ScheduleA/PublicSupportTotal170Amt | 0 | 1128223 |
| IRS990ScheduleA/SubstantialContributorsTotAmt | 0 | 801763 |
| IRS990ScheduleA/ThirtyThrPctSuprtTestsCY170Ind | 0 | X |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearAmt | 0 | 470955 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus1YearAmt | 0 | 424745 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 412205 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 373823 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 248258 |
| IRS990ScheduleA/TotalCalendarYear170Grp/TotalAmt | 0 | 1929986 |
| IRS990ScheduleA/TotalSupportAmt | 0 | 1962200 |
| IRS990ScheduleB/ContributorInformationGrp/ContributorBusinessName/BusinessNameLine1 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorNum | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine1 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine2 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/City | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/State | 0 | RESTRICTED |